SLBC Air Quality

Monitoring Station · Freetown, Sierra Leone
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
70 4pm
63
40
40 7pm
40
40
40 10pm
40
40
40 1am
40
40
40 4am
40
40
— 7am
—
—
— 10am
—
—
— 1pm
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Station readings
70
63
CAMS model adj -44
146
84
84
84
84
84
84
84
84
84
84
84
84
84
84

Air Quality Trend (24h)

PM2.517.7 µg/m³ ×1.2 WHO
Moderate
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Nearby Monitoring Stations

62
Connaught Hospital
1.8 km PM2.5: 17.2 µg/m³
52
Freetown City Council
2.1 km PM2.5: 12.4 µg/m³
35
St Edward's Sec. School
2.2 km PM2.5: 8.5 µg/m³
42
34 Hospital
2.5 km PM2.5: 10.1 µg/m³
97
Cottage Hospital
3.0 km PM2.5: 34.2 µg/m³
68
Ross Road Hospital
3.6 km PM2.5: 20.4 µg/m³
42
St Mark Church Lumley
4.1 km PM2.5: 10.1 µg/m³

Nearby Cities

57 Freetown 53 Goderich 69 Waterloo 62 Port Loko 62 Lunsar 114 Forécariah 60 Mile 91 113 Conakry 113 Camayenne

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-20T19:18 UTC.